Machine



3 Sheets-Sheet 1.

(No Model.) I Y W. BANCROPT.

WARPING MACHINE. No. 380,642. Patented Apr. 8, 1888.

3 Sheets-Sheet 2.

(No Model.)

W. BANGROPT.

WARPING MACHINE.

Patented Apr. 3, 1888.

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(No Model.) a Sheets-Slieet 3.

W. BANGROPT.

WARPING MACHINE.

No. 380,642, Patented Apr. 3, 1888;

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UNrrnD STATES PATENT Orricn.

WILLIAM BANOROFT, OF HOPEDALE, MASSACHUSETTS, ASSIGNOR OF ONE- HALF TO THE HOPEDALE MACHINE COMPANY, OF SAME PLACE.

WARPlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 380,642, dated April 3, 1888.

Applicution filed February 27, 1886. Serial No. 198,411. (No model.)

To all whom it may concern.-

Be it known that I, YVILLIAM Biinonorr, of Hopedale, county of YVorcester, and State of Massachusetts, have invented an Improvement in \Varpin -Machines, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.

This invention has for its object to improve the construction of warping'machines in such manner that the heads of the beam may be increased in diameter, so as to enable more yarn to be wound upon the beam than heretofore.

In accordance with my invention the cylinder for rotating the beam is supported by journals formed between its ends, and power to rotate the said cylinder is applied to it between its ends. To do this the cylinder is cut away or divided at one or more points between its ends, and in the said spaces are located not only the bearings for the cylinder, but the gearing to rotate -it. At the portion of the cylinder so cut away I have provided small i'riction-rollers, the periphery of each coinciding with that of the cylinder at the point where the mass of yarn on the beam touches the said cylinder, the said rollers serving to uniformly compact the yarn on the beam.

The particular features in which my invention consists will be described in the following specification, and will be pointed out in the claims.

Figure 1 is a rear end view of a warpingmachine embodying my invention, portions of the beam and cylinder being broken out to bet ter show other parts; Fig. 2, a view of the machine looking at it from the right of Fig. 3, a portion of the pulley and driving mechanism being broken out at the left; Fig. 3, a left-hand end view of Fig. 2; Fig. 4, a partial section of Fig. 2 in the line a: 00, looking to the left,

and Fig. 5, a sectional detail taken at the left of the clutch in Fig. 2.

The frame-work A is supplied with a series of rolls, 1 2 3 4., and weight or tension rolls 5 6, over and under which are passed the warpthreads n, taken from spools of a creel in usual manner. Back of the rolls 4, toward that end of the machine where the beam is situated, the yarns a are passed through slot-ted fingers a, the said fingers being arranged side by side on a rod, a each finger being free to drop into the dotted-line position, Fig. 3, in case the yarn supporting it is broken or becomes very slack, and as soon as any finger drops, as in dotted lines, it is struck by the knocking-0H plate b, attached to arms I) of a rock-shaft, b", the said arms having a third arm, b to which is pivoted a rod, 1), provided with a. collar, Zr", below which is a spiral spring, If, the said rod below the said spring passing through a guide, If,- the lower end of which (see Fig. 2) is pivoted at 13 to an elbow'lever, o, pivoted at 12 on the crossbeam A The rod Zr at its lower end is provided with a projection, 8,which is extended through the slot 9 in the cross-beam A and supports the book 0, pivoted at 10 on the said elbow-lever a, the latter having pivoted to it the link 13, one end of which is entered by the crank-pin 14 of a bevel-gear, 15, mounted on a stud, 16, secured to the beam A. I

The gear 15 is rotated by the bevel-gear e on the shaft 6, having a bearing at 17 and extended through the sleeve 6, the said shaft having secured to it the pulley e. The rod b has a rising-and-falling motion as the gear 15 is rotated, so that the knocking-0ft" bar I) is moved in the arc of a circle.

When all the fingers a are held up by the yarns a, the movement of the said bar is uniform; but if a finger drops into the dotted-line position, Fig. 3, it is struck by the said bar, and the upward movement of the latter is stopped; but the guide I) continues to rise, compressing the spring b. When the bar I) is arrested by a finger, the projection 8 is not elevated sufficiently for the hook c to escape the projection 19 (see dotted lines, Fig. 2) at the rear side of the releasing-slide f, slotted at 20 and supported by a pin, 21, entering the said slot, and also by a guide, 22, bolted to the beam A", and the slide f so engaged by the said hook is drawn to the left from its position, Fig. 2, far enough to remove its outer end from the end of the curved arm f, attached to the end of an arm, f*, of the rock-shaft 23, having end bearings in the frame-work A, the said shaft having attached to it other arms, 25, one only of which is shown in Fig. 3, which carry a treadle or foot-board, 26.

The rock-shaft 23 has attached arms 24: and

' lines, Fig. 3. This link near its forked end has pivoted upon it a brake-shoe, 33, which, when the slide f is moved to release the arm to f, drops upon the pulley 18, fast on, and stops the shaft 6.

v Thelink 28 and arm f are sufificiently heavy when the slide f is moved as described to turn the lever g and cause the belt-shipper g to place the usual driving-belt(not shown) on the loose pulley g. The weighted lever f acts to normally keep the slide f in the position shown by Fig. 2.

The drop-fingers a have their fulcra between the roll 4 and the dents a of the usual reed or comb, the box of which is shown by the letter a.

The warp-beam, composed of a body,B, and two large heads, B 'B, rests with its body or the yarn thereon upon the cylinder, composed, as herein shown, of three sectionsviz., a central section, h, and two end sections, h, the hubs of the latter, by suitable set-screws, 80, (see Fig. 1,) being secured to thejournals ofthe central section, h, after the said journals have been extended through the bearings h herein shown as sustained by brackets h, bolted to the frame-work. Each bearing h has attached to it a bracket, 30, (see Fig. 4,) that supports boxes for the journals of the small supportingcylinders 31, placed in the spaces between the portions h and h of the cylinder, as shown in Figs. 1 and 4, to thus preserve the uniformity and density of the mass of yarn being wound on the said beam.

It will be noticed that the entire cylinder is located between the heads B B, and in no way interferes with the heads as they rise and fall with the beam.

Each section 71. at its inner side is provided pinion, m, on the shaft W, the said shaft having attached to it the gear m which is engaged and rotated by the gear m, fast to the shaft 0, the rotation of the gear m through the connected gears described rotating the cylinder h h h. This cylinder, as will be seen, has not endjournals, but is supported in bearings h between its ends, and hence the heads B may be made as large as desired, for they extend across the center of rotation of the cylinder. At times it is desired to rotate the cylinder at a fast and then at a slow speed.

When the gear at on the shaft 6 is driven by the belt on the pulley e the cylinder is moved at its normal and fastest speed; but, if desired, the cylinder may be driven at aslower speed, as when started, by moving the belt upon the pulley h, keyed to the sleeve e, the

latter at its inner end having attached to it the pinion n, that engages the gear n on the shaft n. The shaft n has fast on it a hub, 36, on which is loosely mounted a clutch device, D, (shown separately in Fig. 5,) the said clutch device consisting of a disk, 38, having mounted upon it two pawls, 34 35, the points of which, when the shaft n is rotated in one direction, are acted upon by the notched hub 36 to carry with the said shaft the said clutch device. The said clutch device has attached to it a pinion, a, which is in engagement with the gear m. When the belt is on the pulley h, the pinion it drives the gear m and the cylinder at its slowest speed. When the belt is on the pulley e ,the pinion n is acted upon by the gear in, and the clutch to which the pinion is attached runsloosely on the shaft h The journals B of the yarn-beam B are placed looselyin and risein the guidegrooves B of the frame as the yarn is wound upon the beam, the latter, when full, occupying the dotted-line position, Fig. 3.

I claim- 1. Thesectionalcylinderandbearingstherefor, located between its fixed central and end portions to support it, and independent sup porting-rolls located at each bearing, the periphery of the said rolls coinciding with that of the cylinder at such points, combined with a yarn beam resting thereon and rotated thereby, the heads of the warp-beam overlapping and crossing'the center of rotation of the said cylinder, substantially as described.

2. The cylinder supported in bearings located between its ends and the supportingrolls 31, combined with the warpbeam, the

ICO

said rolls supporting the warp-beam or the yarn thereon opposite the bearings for the cylinder, substantially as described.

3. The cylinder composed of the fixed central part, h, and the fixed end portions,of like diameter,separated from the said central portion and provided with internal teeth, m, combined with the pinion m, gears in and m, constituting fast-speed mechanism, and the sleeve 6 attached pinion n, gears n and n, and clutch D, constituting slow-speed -mechanism,to drive the cylinder at different speeds, substantially as described.

4. The pivoted fingers a, adapted to be connected to the warp-threads, the knock-oll'bar b,and arms b, rock-shaft b, arm b the rod b, spring, and guide, combined with the hook 0, means to raise and lower the said guide and reciprocate the hook, the slide f, arms f" f*, stopping devices, as described, and rock-shaft 28, to operate the said stopping devices, sub stantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

WILLIAM BANGROFT.

Witnesses:

G. W. GREGORY, C. M. Conn. 

